PlainWater
States → Louisiana

BAYOU TECHE WATER WORKS

PWS ID: LA1099002 · LOREAUVILLE, Louisiana 70552

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
10,137
Total Violations
113
Health-Based Violations
79
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
3,379
County
St. Martin Parish
School/Daycare
No
MCL Violations
61
Monitoring Violations
27
Treatment Tech Violations
18

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 25 2015
TTHM MCL 24 2015
Groundwater Rule TT 17 2022
Total Haloacetic Acids (HAA5) MR 13 2014
Coliform (TCR) MCL 12 2014
TTHM MR 8 2014
Chlorine MR 4 2018
Lead and Copper Rule MR 2 2017
LEAD AND COPPER RULE REVISIONS TT 1 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFNA 4/4/2023 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 4/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 4/4/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 4/4/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 4/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 4/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 4/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 4/4/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 4/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 4/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 4/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/4/2023 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 4/4/2023 <0.006 µg/L 0.006 µg/L Not Detected
lithium 4/4/2023 11.3000 µg/L 9 µg/L Detected
NFDHA 4/4/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFTA 4/4/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFPeA 4/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 4/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 4/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 4/4/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 4/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 4/4/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 4/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 4/4/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 4/4/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 4/4/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTrDA 10/16/2023 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 10/16/2023 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 10/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 10/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 10/16/2023 17.0000 µg/L 9 µg/L Detected
PFMBA 10/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 10/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 10/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 10/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 10/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 10/16/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 10/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 10/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 10/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 10/16/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFBS 10/16/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 10/16/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFTA 10/16/2023 <0.008 µg/L 0.008 µg/L Not Detected
HFPO-DA 10/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 10/16/2023 <0.005 µg/L 0.005 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.